svn commit: r822578 - in /lucene/lucy/trunk/core/Lucy/Store: FileWindow.bp FileWindow.c

[ma...@apache.org]

Author: marvin
Date: Wed Oct  7 04:14:38 2009
New Revision: 822578

URL: http://svn.apache.org/viewvc?rev=822578&view=rev
Log:
Commit LUCY-57, adding Lucy::Store::FileWindow - a unit of memory mapping.

Added:
    lucene/lucy/trunk/core/Lucy/Store/FileWindow.bp   (with props)
    lucene/lucy/trunk/core/Lucy/Store/FileWindow.c   (with props)

Added: lucene/lucy/trunk/core/Lucy/Store/FileWindow.bp
URL: http://svn.apache.org/viewvc/lucene/lucy/trunk/core/Lucy/Store/FileWindow.bp?rev=822578&view=auto
==============================================================================
--- lucene/lucy/trunk/core/Lucy/Store/FileWindow.bp (added)
+++ lucene/lucy/trunk/core/Lucy/Store/FileWindow.bp Wed Oct  7 04:14:38 2009
@@ -0,0 +1,38 @@
+parcel Lucy;
+
+/** A portion of a file, viewed as an array of bytes.
+ */
+class Lucy::Store::FileWindow extends Lucy::Object::Obj {
+
+    char    *buf;
+    i64_t    offset;
+    i64_t    len;
+
+    inert FileWindow*
+    init(FileWindow *self);
+
+    inert incremented FileWindow*
+    new();
+
+    void
+    Set_Offset(FileWindow *self, i64_t offset);
+
+    void
+    Set_Window(FileWindow *self, char *buf, i64_t offset, i64_t len);
+}
+
+/* Copyright 2009 The Apache Software Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+

Propchange: lucene/lucy/trunk/core/Lucy/Store/FileWindow.bp
------------------------------------------------------------------------------
    svn:eol-style = native

Added: lucene/lucy/trunk/core/Lucy/Store/FileWindow.c
URL: http://svn.apache.org/viewvc/lucene/lucy/trunk/core/Lucy/Store/FileWindow.c?rev=822578&view=auto
==============================================================================
--- lucene/lucy/trunk/core/Lucy/Store/FileWindow.c (added)
+++ lucene/lucy/trunk/core/Lucy/Store/FileWindow.c Wed Oct  7 04:14:38 2009
@@ -0,0 +1,53 @@
+#define C_LUCY_FILEWINDOW
+#include "Lucy/Util/ToolSet.h"
+
+#include "Lucy/Store/FileWindow.h"
+
+FileWindow*
+FileWindow_new()
+{
+    FileWindow *self = (FileWindow*)VTable_Make_Obj(FILEWINDOW);
+    return FileWindow_init(self);
+}
+
+FileWindow*
+FileWindow_init(FileWindow *self)
+{
+    return self;
+}
+
+void
+FileWindow_set_offset(FileWindow *self, i64_t offset)
+{
+    if (self->buf != NULL) {
+        if (offset != self->offset) {
+            THROW(ERR, "Can't set offset to %i64 instead of %i64 unless buf "
+                "is NULL", offset, self->offset);
+        }
+    }
+    self->offset = offset;
+}
+
+void
+FileWindow_set_window(FileWindow *self, char *buf, i64_t offset, i64_t len)
+{
+    self->buf    = buf;
+    self->offset = offset;
+    self->len    = len;
+}
+
+/* Copyright 2009 The Apache Software Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+

Propchange: lucene/lucy/trunk/core/Lucy/Store/FileWindow.c
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    svn:eol-style = native